2558061

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 42

約数和(自身を含む): 4361070

約数和(自身を除く): 1803009

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 121, 243, 261, 297, 319, 363, 729, 783, 891, 957, 1089, 2349, 2673, 2871, 3267, 3509, 7047, 8019, 8613, 9801, 10527, 21141, 25839, 29403, 31581, 77517, 88209, 94743, 232551, 284229, 852687, 2558061]

約数ペア:

[(1, 2558061), (3, 852687), (9, 284229), (11, 232551), (27, 94743), (29, 88209), (33, 77517), (81, 31581), (87, 29403), (99, 25839), (121, 21141), (243, 10527), (261, 9801), (297, 8613), (319, 8019), (363, 7047), (729, 3509), (783, 3267), (891, 2871), (957, 2673), (1089, 2349)]